code: def forward(self) -> torch.Tensor:
      return torch.unsqueeze(self.homo, dim=0)
  
file_path: kornia/test/integration/test_warp.py
imports: import numpy
  import torch
  import torch.nn.functional
  from torch import nn, optim
  import kornia
label_desc: Use image node_id 2 for calling the MyHomography obj's underlying member method code with example usage: obj.forward() and returns: torch